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  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    video {
      width: 500px;
    }
  </style>
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<body>
  <!-- html5之后新增的视频组件,
   但是要注意适配的格式是有兼容性的,
   各个浏览器厂商对视频格式的支持不同 -->
  <video src="./assets/fcrs.mp4" controls autoplay muted preload="auto"></video>
</body>

</html>